DE68908471D1 - COATED STEEL SHEETS AND METHOD FOR THE PRODUCTION THEREOF. - Google Patents

COATED STEEL SHEETS AND METHOD FOR THE PRODUCTION THEREOF.

Info

Publication number
DE68908471D1
DE68908471D1 DE8989108750T DE68908471T DE68908471D1 DE 68908471 D1 DE68908471 D1 DE 68908471D1 DE 8989108750 T DE8989108750 T DE 8989108750T DE 68908471 T DE68908471 T DE 68908471T DE 68908471 D1 DE68908471 D1 DE 68908471D1
Authority
DE
Germany
Prior art keywords
production
steel sheets
coated steel
coated
sheets
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8989108750T
Other languages
German (de)
Other versions
DE68908471T2 (en
Inventor
Yoshio C O Nippon Stee Shindou
Fumio C O Nippon Stee Yamazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP63118118A external-priority patent/JPH01290797A/en
Priority claimed from JP63118119A external-priority patent/JPH01290798A/en
Priority claimed from JP13831988A external-priority patent/JPH01309998A/en
Priority claimed from JP63191521A external-priority patent/JPH0243398A/en
Priority claimed from JP23226588A external-priority patent/JPH0280597A/en
Priority claimed from JP23226688A external-priority patent/JPH0280598A/en
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of DE68908471D1 publication Critical patent/DE68908471D1/en
Application granted granted Critical
Publication of DE68908471T2 publication Critical patent/DE68908471T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
    • C25D15/02—Combined electrolytic and electrophoretic processes with charged materials
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/38—Chromatising
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/565—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of zinc
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
    • C25D5/611—Smooth layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
DE89108750T 1988-05-17 1989-05-16 Coated steel sheets and process for their manufacture. Expired - Fee Related DE68908471T2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP63118118A JPH01290797A (en) 1988-05-17 1988-05-17 Composite electroplated steel sheet having superior corrosion resistance
JP63118119A JPH01290798A (en) 1988-05-17 1988-05-17 Composite electroplated steel sheet having superior corrosion resistance and weldability
JP13831988A JPH01309998A (en) 1988-06-07 1988-06-07 Production of composite electroplated steel sheet having superior corrosion resistance and fine surface luster
JP63191521A JPH0243398A (en) 1988-07-29 1988-07-29 Organic composite plated steel sheet having excellent corrosion resistance
JP23226588A JPH0280597A (en) 1988-09-19 1988-09-19 Composite electroplated steel sheet having high corrosion resistance
JP23226688A JPH0280598A (en) 1988-09-19 1988-09-19 Organic composite plated steel sheet having superior corrosion resistance

Publications (2)

Publication Number Publication Date
DE68908471D1 true DE68908471D1 (en) 1993-09-23
DE68908471T2 DE68908471T2 (en) 1994-03-10

Family

ID=27552514

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89108750T Expired - Fee Related DE68908471T2 (en) 1988-05-17 1989-05-16 Coated steel sheets and process for their manufacture.

Country Status (3)

Country Link
EP (1) EP0342585B1 (en)
CA (1) CA1337555C (en)
DE (1) DE68908471T2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5169726A (en) * 1990-08-22 1992-12-08 Kabushiki Kaisha Kobe Seiko Sho Surface treated materials of excellent adhesion for painting layer, corrosion resistance after painting, and press formability, as well as a method of manufacturing them
US5997714A (en) * 1995-10-31 1999-12-07 Kawasaki Steel Corporation Organic coated material having an electrolytically polymerized coating film containing chromium and method
GB2340131A (en) * 1998-07-29 2000-02-16 Ford Motor Co Corrosion resistant surface coating based on zinc

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA993831A (en) * 1971-07-07 1976-07-27 Iwakichi Kawaguchi Chromate treated metal sheet and a process therefor
ES8607426A1 (en) * 1984-11-28 1986-06-16 Kawasaki Steel Co High corrosion resistance composite plated steel strip and method for making.

Also Published As

Publication number Publication date
EP0342585A1 (en) 1989-11-23
CA1337555C (en) 1995-11-14
EP0342585B1 (en) 1993-08-18
DE68908471T2 (en) 1994-03-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee